18380904

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{233}}^1$

素因数の和:434

約数の個数: 64

約数和(自身を含む): 48859200

約数和(自身を除く): 30478296

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 152, 173, 228, 233, 346, 456, 466, 519, 692, 699, 932, 1038, 1384, 1398, 1864, 2076, 2796, 3287, 4152, 4427, 5592, 6574, 8854, 9861, 13148, 13281, 17708, 19722, 26296, 26562, 35416, 39444, 40309, 53124, 78888, 80618, 106248, 120927, 161236, 241854, 322472, 483708, 765871, 967416, 1531742, 2297613, 3063484, 4595226, 6126968, 9190452, 18380904]

約数ペア:

[(1, 18380904), (2, 9190452), (3, 6126968), (4, 4595226), (6, 3063484), (8, 2297613), (12, 1531742), (19, 967416), (24, 765871), (38, 483708), (57, 322472), (76, 241854), (114, 161236), (152, 120927), (173, 106248), (228, 80618), (233, 78888), (346, 53124), (456, 40309), (466, 39444), (519, 35416), (692, 26562), (699, 26296), (932, 19722), (1038, 17708), (1384, 13281), (1398, 13148), (1864, 9861), (2076, 8854), (2796, 6574), (3287, 5592), (4152, 4427)]